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7988432 |
Rotary compressor for changing compression capacity
A rotary compressor has two compression capacities according to two different rotational directions of the driving shaft. The rotary compressor includes a driving shaft with an eccentric portion. A...
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7988431 |
Capacity-variable rotary compressor
A variable capacity rotary compressor is provided, in which a vane may be restricted by a pressure difference generated between both side surfaces of the vane when the compressor performs in a...
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7976287 |
Capacity variable type twin rotary compressor and driving method thereof
A capacity variable type twin rotary compressor may include a casing, a motor, a first cylinder having a first compression space, a second cylinder fixed to one side of the first cylinder and...
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7955062 |
Vane pump
A vane pump for pumping hydraulic fluid wherein fluid at a pressure intermediate the inlet pressure and the outlet pressure of the pump is supplied to under vane passages of the vanes located in...
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7871252 |
Rotary compressor having two compression capacities
A rotary compressor includes a driving shaft rotatable clockwise and counterclockwise, and an eccentric portion of a predetermined size; a cylinder forming a predetermined inner volume; a roller...
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7854602 |
Rotary compressor for changing compression capacity
A rotary compressor for changing a compression capacity of the compressor includes a driving shaft being rotatable clockwise and counterclockwise, and having an eccentric portion of a predetermined...
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7841838 |
Rotary closed type compressor and refrigerating cycle apparatus
A rotary closed type compressor is configured such that an inside of a case becomes high pressure, and the rotary closed type compressor comprises a first cylinder and a second cylinder having...
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7798791 |
Capacity varying type rotary compressor and refrigeration system having the same
A capacity varying type rotary compressor and a refrigeration system having the same are provided. The capacity varying type rotary compressor includes a casing that contains a certain amount of...
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7780426 |
Rotary compressor defining gaps of different sizes
A rotary compressor including a housing having first and second compressing chambers separated from each other, first and second flanges coupled to the housing, to close the first and second...
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7775782 |
Variable capacity rotary compressor having vane controller
A variable capacity rotary compressor capable of reducing collision noise of a vane with a roller. The variable capacity rotary compressor includes a vane controller controlling the operation of a...
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7722340 |
Rotary type fluid machine
A blade moves backward/forward to enter four different states, namely a first state in which the tip thereof is in sliding contact with the internal peripheral surface of an external side cylinder...
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7611341 |
Capacity varying type rotary compressor
A capacity varying rotary compressor is provided. The compressor includes a casing that maintains a discharge pressure state, a motor installed in the casing that generates a driving force, one or...
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7607902 |
Closed compressor and refrigerating cycle apparatus
A closed compressor includes a closed case in which a plurality of compression mechanism sections are accommodated, the compression mechanism section having a cylinder including a cylinder chamber...
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7597547 |
Variable capacity rotary compressor
A rotary compressor having two different compression capacities is provided. The rotary compressor may include a driving shaft that is rotatable in both a clockwise and counterclockwise direction,...
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7588427 |
Variable capacity rotary compressor
A rotary compressor that has two compression capacities is provided. The rotary compressor includes a driving shaft having an eccentric portion and being rotatable in both clockwise and...
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7585163 |
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
An object is to avoid generation of a collision sound of a second vane of a compression system comprising a multicylinder rotary compressor being configured to be used by switching of a first...
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7563085 |
Multicylinder rotary compressor and compressing system and refrigerating unit provided with same
A compressor includes two rotary compressing elements in a vessel. One of the compressing elements operates while the other element is in a non-operating mode. In the non-operating mode, inflow of...
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6024547 |
Power-variable compressor and air conditioner using the same
A multi-rotor type compressor including plural compression elements each of which includes a rotor eccentrically rotating in a cylinder and a vane which is in sliding contact with the outer...
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5885065 |
Method and pump for pumping liquid containing solids
A pump for pumping a liquid containing solids comprises a housing having a first end and second end and an interior pump chamber. An inlet pipe leads to the pump chamber through the first end, and...
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5871342 |
Variable capacity rolling piston compressor
A variable capacity rotary compressor (12) having a housing (14) with a cylindrical chamber (16) and an orbiting ring piston (26) in the chamber. A pair of outer vanes (20) slidably mount in the...
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5863189 |
Variable displacement vane pump adjustable by low actuation loads
Variable-displacement, single-acting vane pumps in which the cylindrical cam member is adjustably supported within an outer annular cam housing to enable the cam member to be adjustably-rotated...
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5580227 |
Rotary piston pump having synchrously driven dividing slides and dosing device
The present invention relates to a rotary piston pump for conveying and/or metering liquid or pourable media. It consists of a pump casing (2) with a cylinder chamber (4) having a cylindrical inner...
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5284426 |
Rotary compressor with multiple compressor stages and pumping capacity control
A multiple stage rotary compressor having a housing with a pump cavity, an orbiting ring piston in the cavity, a cylindrical post carried by the housing within the orbiting ring, a pair of vanes...
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5256043 |
Vane pump having improved vane sealing
The invention concerns a vane pump for conveying bulk substances, in particular meat pastes, having a housing (4) with an inlet (6) and an outlet (10) for the bulk substance. Disposed inside the...
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5131826 |
Rolling piston rotary machine with vane control
The rotary machine comprises a cylindrical chamber having a rolling piston rotating therein, the piston rolling against the inside surface of the chamber wall. In normal operation, springs keep a...
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5098264 |
Yin-Yang fluid power machine
An apparatus harnessing energy belonging to fluid stream comprises a plurality of elongated fluid dynamic force receiving members with cambered cross sections disposed parallel to and about a shaft...
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4895278 |
Stuffing-batching machines for food products
A stuffing-batching machine wherein the bottom of the blades pump chamber for stuffing comprises a detachable discoid plate having a recess in the top to pilot and guide the sliding blades...
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4887580 |
Supercharger device for reciprocating internal combustion engines, particularly for motor vehicles
Supercharger device for reciprocating internal combustion engines, particularly for motor vehicles, comprising, inserted on the induction manifold of the engine, a rotary positive-displacement...
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4705465 |
Oil-pressure transmission device
A fluid pressure-operated device has a rotor mounted inside a main housing, radial slots circumferentially spaced in the rotor, radially sliding vanes in the slots, springs urging the vanes...
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4650398 |
Bearing unit with integrated pump
A bearing unit for a rotating component, such as a toothed gear or guide pulley, with an integrated pump consists of a housing with a pump chamber defined therein, a pump rotor installed in the...
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4522573 |
Variable delivery vane compressor
In a vane compressor wherein at least two spaces are defined between a pump housing and a rotor disposed within the pump housing, for defining pump working chambers in cooperation with vanes...
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4516919 |
Capacity control of rotary vane apparatus
A capacity control arrangement for a rotary vane fluid displacement apparatus, such as a rotary vane compressor, having a vane retaining means that normally engages and retains the vanes in their...
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4516920 |
Variable capacity vane compressor capable of controlling back pressure acting upon vanes
The communication between at least one of the pump inlets opening in at least two housing cavities and the suction chamber can be interrupted by a first valve means for prohibiting fluid...
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4505653 |
Capacity control for rotary vane compressor
A capacity control circuit for a fluid displacement apparatus, especially for a rotary vane compressor, which circuit controls the volume of fluid displaced or transmitted through such apparatus....
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4492540 |
Variable-displacement vane compressor with one or more ferromagnetic vanes
A variable-displacement vane compressor has a pump housing and a cylindrical rotor supported on a drive shaft and rotatably disposed in the pump housing. The rotor has a plurality of vanes movably...
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4492541 |
Rotary electrohydraulic device with axially sliding vanes
The invention relates to a rotary electrohydraulic device of the volumetrical pump type having stator and rotor as well as vanes axially slidable in said rotor. According to the invention, the...
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4472119 |
Capacity control for rotary compressor
A capacity control arrangement for a rotary vane fluid displacement apparatus, such as a rotary vane compressor, having a vane retaining means that may be moved to engage and retain the vanes in...
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4451215 |
Rotary piston apparatus
Rotary piston assembly comprising a housing having a bore, a piston rotatably mounted in the housing, a plurality of slide vanes distributed about the circumference of said piston, each slide vane...
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4428195 |
Rotary vacuum pump
A rotary vacuum pump is proposed, having a rotor with vanes which rotates eccentrically within a housing bore. Each vane is coupled with a body which is ineffective at relatively low pump rpm;...
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4397618 |
Rolling piston compressor with locking device for the separating slide
A rolling piston compressor comprising: a casing of circular cross-section; a rolling piston supported within the casing on a drivable eccentric shaft so as to be freely rotatable thereon and...
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4385873 |
Rotary vane type pump or motor and the like with circular chamber portions
A rotary vane type motor, compressor or pump in which an eccentrically mounted rotor having sliding vanes rotates within a stationary main housing or stator. The stator is in turn defined by a pair...
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4373878 |
Synchronized hydraulic rotary converter and distributor device
Rotary hydraulic device comprising a stator 1, a rotor 2 and closing flanges together forming a tore that can amount to several meters in diameter. The rotor 1 has radial grooves 3 each receiving a...
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4229147 |
Rotary positive-displacement pump
A rotary positive-displacement pump in which the vane or vanes separating the chambers are locked in the inner dead center point after a certain outlet pressure has been attained, in order to shut...
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4132512 |
Rotary sliding vane compressor with magnetic vane retractor
A rotary sliding vane compressor is provided with magnetic vane retractor means to control the pumping capacity of the compressor without the use of an on/off clutch in the drive system.
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4103506 |
Method and arrangement for controlling the operation of a cooling system in an automotive vehicle
The cooling system includes a cyclically operating cooling-medium compressor driven by the vehicle engine. At low to medium engine speeds, corresponding to speeds from idling to city-driving...
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4050263 |
Arrangement for controlling the operation of a cooling system in an automotive vehicle
The cooling system includes a cyclically operating cooling-medium compressor driven by the vehicle engine. At low to medium engine speeds, corresponding to speeds from idling to city-driving...
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3941505 |
Method and apparatus for pumping fuel
Method and apparatus for pumping fuel to jet engines and the like utilizing at least two stages, the first of which is a main stage including a centrifugal pump, together with a secondary stage...
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3828569 |
AUTOMOTIVE AIR CONDITIONING SYSTEM
An air conditioning system including a condenser, an expansion means, an evaporator and a vane-type refrigerant compressor. The housing of the compressor encloses an oblong chamber in which a rotor...
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3092942 |
Apparatus for encapsulating
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3035525 |
Pump
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